Every discount we run is listed here. There is nothing hidden behind a newsletter signup and no code you have to go hunting on another site to find.
10% off your first order
Use the code FIRST10 at checkout. It applies to everything we stock, on any first order, and it does not expire.
Free shipping over $50
Automatic — no code needed. Most two-box orders clear $50 on their own, and every annual supply ships free whatever it comes to.
20% for you and a friend
Refer someone and you both get 20%: they take it off their first order, you take it off your next one. The refer a friend page explains how to send a code.
Using more than one
One code per order. Where two would apply, the larger one wins — so a first-time customer with a referral code gets the 20%, not the 10%. Free shipping is not a code and stacks with everything.